Orofure Pass

Overview

Orofure Pass is a Category 2 climb in Japan running 14.5 km from base to summit. It starts at 154 m and tops out at 914 m, for a net elevation gain of 760 m. On paper that is a moderate mountain effort: long enough to demand pacing discipline, but not so steep that it reads as a pure wall.

The number that changes the picture is total ascent. While the net gain is 760 m, the climb records 1,134 m of total ascent — a 374 m gap. That means roughly 374 m of descending is folded into the route, so you are repeatedly giving back elevation and re-climbing it. The undulation makes the average gradient a poor guide to the actual load, and it punishes riders who settle into a single rhythm and expect the road to hold it.

How the Gradient Unfolds

The 5.22% average is a blend, not a constant. Sections of descent and false flat drag the mean down, which means the climbing pitches are meaningfully steeper than 5.22% when they arrive. With a maximum gradient of 13.52%, there is at least one ramp that more than doubles the average, and the recovery you feel on the flatter stretches is paid back on those pitches.

• Flatter and recovery sections where the road eases or tips downhill — use them to spin, not coast passively.
• Repeated short climbs stacked through the middle, each re-gaining elevation you just lost.
• The steepest ramp at 13.52%, where cadence drops and gearing decides whether you stay seated.

Pacing Notes

On a smooth climb, even-effort and even-speed converge. Here they do not. Because of the undulation, chasing even speed forces you to spike power on every ramp and soft-pedal on every descent — a fast route to blowing up. Instead, ride to even effort: hold a steady, sustainable power output on the climbing pitches and let your speed rise freely on the descents rather than adding power there.

If you do not know your ceiling, calibrate it first with the FTP estimator, then set a target for the ramps that leaves headroom for the 13.52% pitch late in the climb.

Gearing

The steepest gradient governs your gearing. At 13.52%, you want a compact (50/34) or sub-compact chainset paired with a wide-range cassette so you can keep cadence up without grinding. A 34×32 is a sensible floor; 34×34 gives more margin for staying seated on the steepest ramp after 1,134 m of accumulated climbing has already drained your legs. Check your chainset and cassette before the ride — sorting gearing at the trailhead is too late.

Summary

• Length: 14.5 km
• Average gradient: 5.22%
• Maximum gradient: 13.52%
• Net elevation gain: 760 m
• Total ascent: 1,134 m
• Category: 2

Orofure Pass looks like a mid-range Cat-2 on its averages, but the 374 m of hidden re-climbing and the 13.52% ramp make it a rhythm-breaker. Pace to effort, gear conservatively, and treat the descents as recovery — not as time to make up.